Peer-to-peer swarming protocols have been proven to be very efficient for content replication over Internet. This fact has certainly motivated proposals to adapt these protocols to meet the requirements of on-demand streaming system. The vast majority of these proposals focus on modifying the piece and peer selection policies, respectively, of the original protocols. Nonetheless, it is true tha...

As the variety in network service platforms and end user devices grows rapidly, content providers must constantly adapt their production system to support these new technologies. A factor that highly complicates this process is the need for interactivity. In the Multimedia Content Distribution Platform (MCDP) Project, an architecture for deploying highly interactive and synchronised television ...

As part of a large-scale project, the current qualitative study investigated the possible contribution of a consciousness-raising interactive workshop (as a form of professional development activity) to 30) 22 female and 8 male) Iranian EFL teachers’ professional identity construction. Thirty Iranian EFL teachers were asked to write two reflective journals (one individually and one collectively...

In order to provision content-based services to their users, service providers need to purchase content distribution rights from various content providers. Sometimes the creation phase of certain content categories can last longer than planed so content providers deliver the content to service providers with delays. The delayed delivery can cause financial damages and inconveniences to service ...

This paper presents a new economic approach for studying competition and innovation in a complex and highly interactive system of network providers, users, and suppliers of digital goods and services (i.e., service providers). It employs Cournot and Bertrand games to model the competition among service providers and among network providers, respectively, and develops a novel unified model to ca...